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CONTROL MODES FOR A VARIABLE-SPEED DRIVE WITH A CONVERTERFED SYNCHRONOUS MACHINE
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| Author(s) |
G. Frankl |
| Abstract |
At first a drive system with a special converterfed synchronous machine is described briefly. lts operational performance is similar to that of a dc machine without auxiliary poles. Different control modes for a variable-speed drive with a converterfed synchronous machine or a commutatorless dc machine are compared in this paper. It gives a survey on the results of a great number of measurements. The subjects of this study are the control of armature current and the speed control above the base speed. Three different control modes are investigated: field control at constant firing angle, control of firing angle at constant field and extinction-angle control. Losses, stability and dynamic performance of these three control methods are compared and the reasons for differences are discussed. The results of a great number of measurements are shown in a few significant figures. |
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| Filename: | Unnamed file |
| Filesize: | 2.832 MB |
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| Type |
Members Only |
| Date |
Last modified 2019-08-08 by System |
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